[PATCH 02/10] rtlwifi: btcoex: 23b 1ant: need these information when scan

[Larry Finger]

From: Ping-Ke Shih <pks...@realtek.com>

Log the scan procedure, and update ap_num for future usage when scan done.

Signed-off-by: Ping-Ke Shih <pks...@realtek.com>
Signed-off-by: Larry Finger <larry.fin...@lwfinger.net>
Cc: Yan-Hsuan Chuang <yhchu...@realtek.com>
Cc: Birming Chiu <birm...@realtek.com>
Cc: Shaofu <sha...@realtek.com>
Cc: Steven Ting <stevent...@realtek.com>
---
 .../realtek/rtlwifi/btcoexist/halbtc8723b1ant.c    | 30 ++++++++++++++++++++--
 .../realtek/rtlwifi/btcoexist/halbtc8723b1ant.h    |  1 +
 2 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c 
b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c
index 3ff0d55e8f22..cd7dd620c264 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.c
@@ -2424,13 +2424,39 @@ void ex_halbtc8723b1ant_scan_notify(struct btc_coexist 
*btcoexist, u8 type)
 {
        struct rtl_priv *rtlpriv = btcoexist->adapter;
        bool wifi_connected = false, bt_hs_on = false;
+       u8 u8tmpa, u8tmpb;
+       u32 u32tmp;
        u32 wifi_link_status = 0;
        u32 num_of_wifi_link = 0;
        bool bt_ctrl_agg_buf_size = false;
        u8 agg_buf_size = 5;
 
-       if (btcoexist->manual_control || btcoexist->stop_coex_dm ||
-           btcoexist->bt_info.bt_disabled)
+       if (btcoexist->manual_control || btcoexist->stop_coex_dm)
+               return;
+
+       if (type == BTC_SCAN_START) {
+               RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
+                        "[BTCoex], SCAN START notify\n");
+               /* Force antenna setup for no scan result issue */
+               halbtc8723b1ant_ps_tdma(btcoexist, FORCE_EXEC, false, 8);
+               halbtc8723b1ant_set_ant_path(btcoexist, BTC_ANT_PATH_PTA,
+                                            FORCE_EXEC, false, false);
+               u32tmp = btcoexist->btc_read_4byte(btcoexist, 0x948);
+               u8tmpa = btcoexist->btc_read_1byte(btcoexist, 0x765);
+               u8tmpb = btcoexist->btc_read_1byte(btcoexist, 0x67);
+
+               RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
+                        "[BTCoex], 0x948=0x%x, 0x765=0x%x, 0x67=0x%x\n",
+                        u32tmp, u8tmpa, u8tmpb);
+       } else {
+               RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
+                        "[BTCoex], SCAN FINISH notify\n");
+
+               btcoexist->btc_get(btcoexist, BTC_GET_U1_AP_NUM,
+                                  &coex_sta->scan_ap_num);
+       }
+
+       if (coex_sta->bt_disabled)
                return;
 
        btcoexist->btc_get(btcoexist, BTC_GET_BL_HS_OPERATION, &bt_hs_on);
diff --git a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h 
b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h
index da99addc8474..9909db880c26 100644
--- a/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h
+++ b/drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtc8723b1ant.h
@@ -163,6 +163,7 @@ struct coex_sta_8723b_1ant {
        bool c2h_bt_inquiry_page;
        u8 bt_retry_cnt;
        u8 bt_info_ext;
+       u8 scan_ap_num;
        bool cck_ever_lock;
        bool force_lps_on;
        u32 pop_event_cnt;
-- 
2.12.0